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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/vulkan/vulkan_util.h"
#include "base/callback_helpers.h"
#include "base/logging.h"
#include "base/metrics/histogram_macros.h"
#include "gpu/vulkan/vulkan_function_pointers.h"
namespace gpu {
VkSemaphore ImportVkSemaphoreHandle(VkDevice vk_device,
SemaphoreHandle handle) {
base::ScopedClosureRunner uma_runner(base::BindOnce(
[](base::Time time) {
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"GPU.Vulkan.ImportVkSemaphoreHandle", base::Time::Now() - time,
base::TimeDelta::FromMicroseconds(1),
base::TimeDelta::FromMicroseconds(200), 50);
},
base::Time::Now()));
auto handle_type = handle.vk_handle_type();
if (!handle.is_valid() ||
handle_type != VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_BIT) {
return VK_NULL_HANDLE;
}
VkSemaphore semaphore = VK_NULL_HANDLE;
VkSemaphoreCreateInfo info = {VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO};
VkResult result = vkCreateSemaphore(vk_device, &info, nullptr, &semaphore);
if (result != VK_SUCCESS)
return VK_NULL_HANDLE;
auto win32_handle = handle.TakeHandle();
VkImportSemaphoreWin32HandleInfoKHR import;
import.sType = VK_STRUCTURE_TYPE_IMPORT_SEMAPHORE_WIN32_HANDLE_INFO_KHR;
import.semaphore = semaphore;
import.handleType = handle_type;
import.handle = win32_handle.Get();
result = vkImportSemaphoreWin32HandleKHR(vk_device, &import);
if (result != VK_SUCCESS) {
vkDestroySemaphore(vk_device, semaphore, nullptr);
return VK_NULL_HANDLE;
}
// If import is successful, the VkSemaphore takes the ownership of the fd.
ignore_result(win32_handle.Take());
return semaphore;
}
SemaphoreHandle GetVkSemaphoreHandle(
VkDevice vk_device,
VkSemaphore vk_semaphore,
VkExternalSemaphoreHandleTypeFlagBits handle_type) {
base::ScopedClosureRunner uma_runner(base::BindOnce(
[](base::Time time) {
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"GPU.Vulkan.GetVkSemaphoreHandle", base::Time::Now() - time,
base::TimeDelta::FromMicroseconds(1),
base::TimeDelta::FromMicroseconds(200), 50);
},
base::Time::Now()));
VkSemaphoreGetWin32HandleInfoKHR info;
info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_GET_FD_INFO_KHR;
info.semaphore = vk_semaphore;
info.handleType = handle_type;
HANDLE handle = nullptr;
VkResult result = vkGetSemaphoreWin32HandleKHR(vk_device, &info, &handle);
if (result != VK_SUCCESS) {
LOG(ERROR) << "vkGetSemaphoreFdKHR failed : " << result;
return SemaphoreHandle();
}
return SemaphoreHandle(handle_type, base::win::ScopedHandle(handle));
}
} // namespace gpu
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